Flowchart created with RFFlow, a flowcharting and diagramming program; used for designing basic flowcharts, as well as cause-effect diagrams, Gantt charts, timelines, HTML link diagrams, network topologies, circuit designs, transportation plans, and other types of diagrams.

RFFlow Professional Flowcharting started using the ".flo" file extension in 1989 and continues to use it in the present.

Flowchart created with Micrografx FlowCharter version 7; may include maps, diagrams, charts, and spreadsheets; used for process analysis and modeling; designed to help organizations model and improve business processes.

NOTE: Micrografx is now iGrafx. iGrafx FlowCharter can still open FLO files.